Home / 15,382,021.70-23,073,032.55-6,405,407.30

Finding the Fourth Proportional to 15,382,021.70, 23,073,032.55 and 6,405,407.30

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Solution

The fourth proportional to 15,382,021.70, 23,073,032.55 and 6,405,407.30 is: 9,608,110.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,382,021.70 : 23,073,032.55 = 6,405,407.30 : x
  2. Step 2: Convert to fraction form
    15,382,021.70/23,073,032.55 = 6,405,407.30/x
  3. Step 3: Cross multiply
    15,382,021.70x = 23,073,032.55 × 6,405,407.30
  4. Step 4: Simplify right side
    15,382,021.70x = 147,792,171,128,907.62
  5. Step 5: Solve for x
    x = 147,792,171,128,907.62/15,382,021.70
  6. Step 6: Final answer
    x = 9,608,110.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.